100% Waterproof, Half sizes available, Recommend: This style features a wide fit, we recommend ½ size down for regular or narrow fit, MuckSkin: Flexible neoprene with abrasion resistant rubber coating, Guarden™: Additional rubber toe and heel provide more durability and extended wear, Dual density comfort footbed with memory foam for long lasting cushioning, EVA midsole for lightweight comfort and shock absorption, Breathable mesh lining wicks away humidity and perspiration, allowing air to travel throughout the boot, bioDEWIX™ antimicrobial footbed insert topcover with NZYM™ for odor control and moisture management, Shovel-ready nylon shank for added underfoot stability when using garden tools, Self-cleaning rubber outsole for optimal traction and reliability, Easy slip on and off, Comfort Range: Sub Freezing to 18°C